Just FYI, the "code" (and all other formatting buttons for that matter) button is not working for me and Firebug is showing a JS error. I'm using Firefox 5.0.1 on Mac OSX 10.7.
Here is the error:
<code>Error: insert_code is not defined
Source File: http://fuelphp.com/forums/topics/new_topic/8
Line: 1</code>